160728751 has 4 divisors (see below), whose sum is σ = 161167072. Its totient is φ = 160290432.

The previous prime is 160728731. The next prime is 160728773. The reversal of 160728751 is 157827061.

160728751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160728751 - 2¹¹ = 160726703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160728751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160728731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218610 + ... + 219343.

It is an arithmetic number, because the mean of its divisors is an integer number (40291768).

Almost surely, 2^160728751 is an apocalyptic number.

160728751 is a deficient number, since it is larger than the sum of its proper divisors (438321).

160728751 is an equidigital number, since it uses as much as digits as its factorization.

160728751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438320.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 160728751 is about 12677.8843266532. The cubic root of 160728751 is about 543.7064978453.

The spelling of 160728751 in words is "one hundred sixty million, seven hundred twenty-eight thousand, seven hundred fifty-one".